Just in time for Christmas, Megadeth is spreading a little holiday cheer with their heavy metal take on the carols you know and love.

Decked in traditional holiday sweaters, Dave Mustaine and the guys touted out their new album, Thrashing Through the Snow: A Very Megadeth Christmas on last night’s (Dec. 17) episode of Jimmy Kimmel Live!, sneering their way through classic carols like “Frosty the Snowman” and “The Little Drummer Boy,” in which Mustaine just sings the most beautifully scary refrain of “pa rum pa pum pum.”

On “Do You Hear What I Hear?” Mustaine got real with all the good little children, letting them know that the sound they’re actually hearing is death knocking at their door.

But the real standout on the album was their stirring rendition of “Baby It’s Cold Outside,” with everyone’s other favorite redhead, Jenny Lewis.

Showing off some of those acting skills from the 1989 classic, The Wizard, Lewis playfully sings, “I really can’t stay,” only to have Mustaine respond in all his full throated glory, that seriously, it’s cold outside and she needs to stay the night. Or else.

Make sure you pick up a copy when it comes to a store near you, or Santa will kick you in the throat.